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LCM of 404, 985, 477, 420

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 404, 985, 477, 420 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 404, 985, 477, 420. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 404,985,477,420

Given numbers are 404,985,477,420

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 404,985,477,420 is 1328721660.

Find LCM of 404,985,477,420 with Prime Factorization


2 404, 985, 477, 420
2 202, 985, 477, 210
3 101, 985, 477, 105
5 101, 985, 159, 35
101, 197, 159, 7

Multiply the prime numbers at the bottom and the left side.

2 x 2 x 3 x 5 x 101 x 197 x 159 x 7 = 1328721660

Therefore, the lowest common multiple of 404,985,477,420 is 1328721660.

LCM Formula to Find Lowest Common Multiple of 404,985,477,420

LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

Firstly, we have to find the product of all the numbers.

404 x 985 x 477 x 420 = 79723299600

Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.

404 : 1, 2, 4, 101, 202, 404

985 : 1, 5, 197, 985

477 : 1, 3, 9, 53, 159, 477

420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 404,985,477,420, is 1.

Now, the common factors can be found like this.

404:2x 2x 101

985:5x 197

477:3x 3x 53

420:2x 2x 3x 5x 7

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

2x 2x 3x 5 = 60

Therefore, the value for common factors is 60.

Now that we have all the elements of the formula, we can plug them in to calculate the LCM.

LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

LCM = 79723299600/(1x60)

LCM = 79723299600/60

LCM = 1328721660

Thus, we can understand that the LCM of 404,985,477,420 is 1328721660.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 404, 985, 477, 420

1. What is the LCM of 404, 985, 477, 420?

Answer: LCM of 404, 985, 477, 420 is 1328721660.

2. How to calculate the LCM of 404, 985, 477, 420?

The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 404, 985, 477, 420.

3. What is the LCM formula?

The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.